2004 Mazda MPV Owner's Manual - Page 172

Driving Your Mazda Warning/Indicator Lights and Beep Sounds Beep Sounds M Seat Belt Warning Beep If the driver's seat belt is not fastened when the ignition switch is turned to the ON position, a beep sound will be heard for about 6 seconds. M Ignition Key Reminder If the ignition switch is in the LOCK or ACC position, a beep sound will be heard when the driver's door is opened. M Lights-On Reminder If lights are on and the key is removed from the ignition switch, a beep sound will be heard when the driver's door is opened. M Power Sliding Door Beep* The beep sound will be heard according to the power sliding door operation. If there is a malfunction in the power sliding door system, a beep sound will be heard continuously. If this happens, press the power sliding doors main switch to the OFF position and the beep sound will stop. Consult an Authorized Mazda Dealer to have the power sliding doors checked. Refer to Power Sliding Doors on page 3-13. *Some models. 5-33